We use the computer in the first place to manipulate data, so obviously you need a way to put the data - in comes the input device. Now the input data has to be processed in the desired format - in comes the Central Processing Unit. Finally you need a means to get back your processed data which is now meaningful information - so we use an output device.
All the devices are related to each other during the entire process of using a computer. Without any one of these we cannot use the computer to its optimum.
The relationship is called a surjection or a surjective function.
It is a mapping which assigns one or more outputs to each set of one or more inputs. A relationship need not be a function.
Anything you like - it depends on the function that relates the output to the input.
~the function is most likely inversely proportional. ~more input results in less output.
Y is the output and X is the input.
There need not be any relationship.
A function.
output
is unknown
Design
Relation
Input device.
the electronic data processing consists of three stages which are the INPUT, the PROCESSING and the OUTPUT stages.
ComputationSimulationCommunicationJudicious avoidance of infinite loops!
Function
Returns to scale refer to a special relationship between output and input. During production, this relationship refers to the connection between the changes that occur with the output and those that began in the input.
The result of a computer's processing is known as "output."